## Zoho Commerce Help Documentation Index Access the complete documentation index at: https://www.zoho.com/en-fr/commerce/help/llms.txt Use this file to discover all available documentation pages before proceeding. # Custom Module Preferences ## Fields & Tables To fully craft a custom module in Zoho Commerce, you can use the form builder to add fields of different data types and tables to the module. Read our help document on the [Basic Functions of a Custom Module](/en-fr/commerce/help/custom-modules/basic-functions/) to learn more. * * * ### Validation Rules With Validation Rules, you can create rules to set restrictions for the data being recorded. * * * ### Custom Buttons You can create new buttons in the custom module to perform specific actions for your records, or to open external links. You can create them using a Deluge script and execute actions based on the functions you add. You can convert a custom module’s records into records of another custom module or a default module using the Record Conversion Button. Read our help document on how to [convert a custom module’s record](/en-fr/commerce/help/custom-modules/other-actions/#convert-custom-module-record) to learn more. * * * ## Related Lists Related Lists allows you to fetch and view data from within the app as well as from other third-party services. This comes in handy when you want to cross-reference data from different entities. * * * ## Blueprints Blueprints are the online representation of a business process. In Zoho Commerce, you can use Blueprints to design a process flow using states and transitions. They guide your team through the workflow, validate essential information, and automate the business processes managed via Custom Modules. Read our help document on [Blueprints](/en-fr/commerce/help/custom-modules/blueprints/) to learn more.